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Pressurized window washer

US 3,082,467 A · Inventors: WEILS JOHN H

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted March 26, 1963. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 26, 1980.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 12, 1960
GrantedMarch 26, 1963
Term endedMarch 26, 1980
Application number—
Classification (CPC)A47L1/08
Length5 pages

Timeline

Timeline From USPTO dates

1961196319651967196919711973197519771979Application filedFeb 12, 1960Patent grantedMarch 26, 1963Term endedMarch 26, 1980

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